TY  - BOOK
AU  - De Koninck J M
AU  - Ivic Aleksander
TI  - Topics in arithmetical functions: asymptotic formulae for sums of reciprocals of arithmetical functions and related results
U1  - 515.7 
PY  - 1980///
CY  - Amsterdam
PB  - North Holland
KW  - Calculus
KW  - Functional analysis
ER  -